(superficial fascia) subcutaneous tissue just deep to the skin; consists of adipose plus some areolar connective tissue.
fibrous protein found in the epidermis, hair, and nails that make those structures hard and water-repellent; precursor is keratohyaline.
yellow to orange pigment that accumulates in the stratum corneum epidermal layer and in fatty tissue of the hypodermis.
(hairs) flexible strands produced by hair follicles and consist largely of dead, keratinized cells.
Tiny, smooth muscles attached to hair follicles, contraction causes the hair to stand upright.
coarser, longer hair of the eyebrows and scalp; darker. During puberty, they appear in the axillary and pubic regions in both sexes and on the face and chest. Grow in response to the stimulating effects of the male sex hormones called androgens and when male hormones are present in large amounts, this hair grows luxuriant.
scalelike modification of the epidermis that forms a clear protective covering on the dorsal surface of the distal part of a finger or toe.
Basal Cell Carcinoma
the least malignant and most common skin cancer; over 30% of all white people get it in their lifetime; occurs on sun exposed areas. proliferate, invading the dermis and hypodermis.
Squamous Cell Carcinoma
arises from the keratinocytes of the stratum spinosum. Appears as scaly reddened papule that arises on the head and hands. grows rapidly and metastasize if not removed.